Diesel engines will meet future emissions regulations with a combination of high-performance electric exhaust gas heaters, an efficient SCR system with twin dosing, and advanced coating and substrate technology. To this end, pollutant emissions …

To meet increasingly stringent emission regulations, diesel engines must be equipped with DOC, DPF and SCR. Five performance parameters including system back pressure, HC conversion efficiency, conversion efficiency of NO to NO2, passive …

The heat is provided chemically by catalytic fuel conversion with exhaust gas in the reaction

Upcoming ultra-low NOx emission legislations in the USA and Europe will require the fulfilment of very low emission limits. Therefore, a highly efficient exhaust aftertreatment system in combination with a suitable control architecture, low NOx …

Due to the increasing amount of electrification of passenger vehicles, the internal combustion engine (ICE) faces longer switch-off phases. During these periods, the exhaust gas aftertreatment (EAT) components cool down and are not able to convert …

Der dieselmotorische Antrieb wird auch zukünftig nach Meinung von Experten eine wesentliche Antriebsquelle der individuellen Mobilität darstellen. Vor dem Hintergrund des hohen Wirkungsgrads und der damit einhergehenden noch weiter sinkenden …

IAV has developed a higher-level system architecture for the management of diesel engines and their exhaust gas aftertreatment. This makes it possible to meet the strict emission requirements of the Euro 6 standard even under real driving …

By now non-road vehicles (Non-road Mobile Machinery, NRMM) have also come under scrutiny for their exhaust gas aftertreatment.

Exhaust gas from modern combustion engines is cleaner than ever before. Current projects of the Research Association for Combustion Engines (FVV) show that exhaust emissions can be reduced even further, especially in real operation. At the same …

With the European Directive 2008/50 EC on Ambient Air Quality [1], the European Commission is pursuing the goal of ensuring that the annual average ambient air quality limit of 40 μg/m3 for NO2, which has been in force since 2010, is ensured.

Since market introduction in 1996, Series 4000 engines have consistently demonstrated their reliability over several million hours of operation in rail, mining, marine, power generation and oil and gas applications throughout the world. To ensure …

In this paper recurrent neural networks are used for modelling of the exhaust gas aftertreatment system of a spark-ignition engine including a three-way catalytic converter and oxygen sensors. Different network architectures are compared based on …

IAV has investigated the potential of close-coupled exhaust gas aftertreatment concepts for passenger car diesel engines in conjunction with new options for turbocharging and hybridisation. In the course of simulation studies and engine tests, the …

The application of highly integrated exhaust aftertreatment systems like SCR-coated Diesel Particulate Filters (SDPF) allows both a reduction of required package space and functional advantages [1] like a further reduction of tailpipe emissions …

This article introduces the new MTU Series 1600 high-performance diesel engines, which have been designed especially for off-road applications, fulfilling the emission legislation US EPA/CARB Tier 4 without using any exhaust gas aftertreatment.

Heavy-duty vehicle manufacturers are facing the Euro VI legislation, which puts new constraints on in-use vehicle emissions. For development and validation purposes, the new climatic-altitude chamber at TNO offers the unique capability to measure rea…

Developing and calibrating engines to meet emissions targets requires the optimum balance of all system components and their effects on mixture formation, combustion as well as gas and heat flux into the aftertreatment system. Composition and tempera…